B01J2531/828

Fluorinated cycloalkene functionalized silicas

Fluorinated cyclopentene moieties and fluorinated cyclopentene functionalized silica materials are provided. The fluorinated cyclopentene functionalized silica materials include a silica material having the fluorinated cyclopentene moiety covalently bonded thereto. Exemplary silica materials include a polysilsesquioxane, a nanosilica, a microsilica, a silica gel, a silica aerogel, or combinations thereof. The fluorinated cyclopentene moieties are based on a modification of perfluorocyclopentene (i.e., 1,2,3,3,4,4,5,5-octafluoro-1-cyclopentene) by nucleophilic substitution with an appropriate nucleophile having a reactive functional group. Methods for preparing fluorinated cyclopentene moieties and the corresponding fluorinated cyclopentene functionalized silica materials are also provided.

RESIN COMPOSITION CONTAINING SUPPORTED PLATINUM CATALYST, THERMOSETTING ORGANOPOLYSILOXANE COMPOSITION USING THE RESIN COMPOSITION, AND METHOD FOR CURING THE THERMOSETTING ORGANOPOLYSILOXANE COMPOSITION

A resin composition includes: (a) a supported platinum catalyst having a structure shown by the following general formula (1) in which a platinum complex is supported on a surface of an inorganic oxide; and (b) a thermoplastic matrix resin. The resin composition is usable as an addition-reaction catalyst capable of imparting sufficient storability and quick curability to an addition-reaction curable composition.

##STR00001##

In the formula, L represents a ligand selected from carbon monoxide, an olefin compound, an amine compound, a phosphine compound, an N-heterocyclic carbene compound, a nitrile compound, and an isocyanide compound; and n represents the number of Ls and an integer from 0 to 2.

Metal complex and supported metal complex having disiloxane as ligand, method for production therefor, and supported metal catalyst prepared by using the same

A metal complex represented by the following Formula (1): ##STR00001##
(wherein M represents palladium or platinum; L represents a ligand selected from carbon monoxide, an olefin compound, an amine compound, a phosphine compound, an N-heterocyclic carbene compound, a nitrile compound and an isocyanide compound; n represents an integer of 0 to 2 showing the number of the ligand; and each of R.sup.1 to R.sup.4 represents an organic group). The metal complex described above can be fixed on an inorganic oxide while maintaining a skeletal structure thereof to obtain a supported metal complex, and this makes it possible to allow the supported metal complex to maintain the same catalytic activity as that of the original metal complex. Also, calcining the supported metal complex obtained in the manner described above makes it possible to obtain a supported metal catalyst which is improved in catalytic activity to a greater extent than conventional supported metal catalysts.

Process for preparing tris[3-(alkoxysilyl)propyl] isocyanurates
20190048032 · 2019-02-14 · ·

A process can prepare an isocyanurate compound by hydrosilylation. The compound is a tris[3-(trialkoxysily)propyl] isocyanurate, a tris[3-(alkyldialkoxysilyl)propyl] isocyanurate, and/or a tris[3-(dialkylalkoxysilyl)propyl] isocyanurate. The process includes (A) preparing a mixture of at least one carboxylic acid, a platinum catalyst, and 1,3,5-triallyl-1,3,5-triazine-2,4,6(1H,3H,5H)-trione; (B) heating the mixture to a temperature in the range of 40 to 140 C.; (C) adding at least one H-silane among a hydrotrialkoxysilane, a hydroalkyldialkoxysilane, and a hydrodialkylalkoxysilane to the mixture; (D) adding at least one alcohol to the mixture prepared in step (C); and (E) isolating the isocyanurate compound.

METAL CATALYST, METHOD OF C-N COUPLING USING THE SAME AND APPLICATIONS OF THE SAME
20190039057 · 2019-02-07 ·

The present disclosure relates to a metal catalyst for CH bond activation and/or CN coupling reaction, and a method using the same and application thereof. Specifically, a metal catalyst represented by the following formula:

##STR00001##

wherein
Q is a 5 or 6 membered aromatic ring;
W, X, and Y are the same or different, and are independently N, S, P, or O;
M is Ni, Pd, Fe, Co, Cr, Mn, Cu, Pt, Ir, or Ru;
Z is halide (F, Cl, Br, or I), acetate, water, or hydroxyl;
R.sub.1 and R.sub.2 are the same or different, and are independently alkyl, aryl, alkylaryl or cycloalkyl.

Phosphinyl amidine compounds, metal complexes, catalyst systems, and their use to oligomerize or polymerize olefins

N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, N.sup.2-phosphinyl amidinate metal salt complexes are described. Methods for making N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, and N.sup.2-phosphinyl amidinate metal salt complexes are also disclosed. Catalyst systems utilizing the N.sup.2-phosphinyl amidine metal salt complexes and N.sup.2-phosphinyl amidinate metal salt complexes are also disclosed along with the use of the N.sup.2-phosphinyl amidine compounds, N.sup.2-phosphinyl amidinates, N.sup.2-phosphinyl amidine metal salt complexes, and N.sup.2-phosphinyl amidinate metal salt complexes for the oligomerization and/or polymerization of olefins.

Catalyst for producing methanol precursor, methanol precursor produced using the catalyst and methanol produced using the methanol precursor

Disclosed is a novel catalyst for producing a methanol precursor. The use of the catalyst enables the production of a methanol precursor and methanol with high efficiency under low temperature and low pressure conditions. Also disclosed are a methanol precursor produced using the catalyst and methanol produced using the methanol precursor.

ARTIFICIAL METALLOENZYMES CONTAINING NOBLE METAL-PORPHYRINS
20180305368 · 2018-10-25 ·

The present invention is drawn to artificial metalloenzymes for use in cyclopropanation reactions, amination and CH insertion.

Process for producing compositions comprising platinum

The invention relates to a process for producing preparations including one or more mononuclear platinum complex compounds of formula (X), one or more compounds comprising carbon atoms, hydrogen atoms and at least two oxygen atoms as compound(s) from compound class II, and one or more olefinically unsaturated compound(s) selected from olefin1 and olefin2 as compound(s) from compound class III, by contacting at least one compound from each of compound classes II and III with one or more dinuclear platinum (II) compound(s) as compound(s) from compound class I. The process includes performing a first step of preparing a mixture by adding together at least two compounds selected from two different compound classes and a subsequent step of admixing the mixture obtained in the first step with one or more compounds of the still absent compound class.

CATALYST COMPOSITION CONTAINING PHOSPHOROUS-BASED LIGAND AND METHOD FOR HYDROFORMYLATION USING SAME

The present invention relates to a catalyst composition including a phosphorous-based ligand, and a hydroformylation method using the catalyst composition. More particularly, the present invention relates to a catalyst composition, which includes two different kinds of monocoordinated phosphine ligands and a transition metal catalyst, and a hydroformylation method using the catalyst composition. In accordance with the present invention, a catalyst composition lowering a selection ratio of normal aldehyde to iso aldehyde (n/i ratio), which are generated during hydroformylation of an olefinic compound, and exhibiting superior catalytic activity and stability, and a method of hydroformylating an olefinic compound using the catalyst composition are provided.